/*
 * Copyright (c) 2023 OceanBase.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.oceanbase.tools.dbbrowser.parser;

import lombok.NonNull;

class CacheElement<T> {

    private final T value;
    private final Exception exception;

    public CacheElement(@NonNull T value) {
        this.exception = null;
        this.value = value;
    }

    public CacheElement(@NonNull Exception exception) {
        this.value = null;
        this.exception = exception;
    }

    public T get() {
        if (this.exception != null) {
            if (this.exception instanceof RuntimeException) {
                throw (RuntimeException) this.exception;
            } else {
                throw new RuntimeException(this.exception);
            }
        }
        return this.value;
    }

}
